[Grammar] "stomachache or stomach ache"

[Konstantin777]

I would be grateful if you would tell me whether I should use "stomachache" or "stomach ache".
I have a stomachache. I feel awful.

 

[tedmc]

A check with a dictionary would tell you that both are acceptable.

 

[Rover_KE]

Konstantin, click here and then put 'stomach ache' in the search box.

Bookmark the OneLook site for future reference.

The Ngram Viewer is a useful site to bookmark, too. It gives you an idea of the relative frequency of usage of the two forms. (Click on the underlined link.)